<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>Document</title>
<script src="/CHENG-ZAO-ZAO/js/vue.js"></script>
<style>
    .rect{
        display: flex;
        width: 400px;
        height: 200px;
        background-color: #e45757;

    }
    .blue{
        width: 100px;
        height: 100px;
        background-color: blue;
    }
    
</style>

</head>
<body>
     <div id="app">
       <div class="rect" v-on:click.self="alertRed">
          <div class="blue" v-on:click="alertBlue">我是蓝色区域</div>
       </div>
       
     </div>
<br>
   <script>
       let app = new Vue({
        el:"#app",
        data:{
             
        },
        methods:{
            alertBlue:function(){
                console.log("blue");
            },
            alertRed:function(){
                console.log("red");
            }

        }
       })
    </script>
</body>
</html>